Oral irrigator



FIG. 1 is a front right top perspective view of an oral irrigator showing the design;

FIG. 2 is a front elevational view of the oral irrigator of FIG. 1;

FIG. 3 is a rear elevational view of the oral irrigator of FIG. 1;

FIG. 4 is a right side elevational view of the oral irrigator of FIG. 1;

FIG. 5 is a left side elevational view of the oral irrigator of FIG. 1;

FIG. 6 is a top plan view of the oral irrigator of FIG. 1; and,

FIG. 7 is a bottom plan view of the oral irrigator of FIG. 1.

The broken lines immediately adjacent the shaded areas represent the bounds of the claim and form no part thereof. All other broken lines depict portions of the oral irrigator that form no part of the claimed design. 

CLAIM The ornamental design for an oral irrigator, as shown and described. 